Which provides evidence of universe expansion that supports the Big Bang Theory? Select the three correct answers.
The universe is undergoing a cycle of contraction and expansion. The universe is undergoing a cycle of contraction and expansion. Galaxies are moving away from each other. Galaxies are moving away from each other. The temperature of Cosmic Microwave Background radiation varies widely from one part of the universe to another. The temperature of Cosmic Microwave Background radiation varies widely from one part of the universe to another. An enormous amount of weak cosmic background radiation has been detected in the universe. An enormous amount of weak cosmic background radiation has been detected in the universe. The temperature of the universe is decreasing. The temperature of the universe is decreasing. The temperature of the universe is increasing.
The correct answers are:
- Galaxies are moving away from each other.
- The temperature of Cosmic Microwave Background radiation varies widely from one part of the universe to another.
- An enormous amount of weak cosmic background radiation has been detected in the universe.
The three correct answers that provide evidence of universe expansion supporting the Big Bang Theory are:
1. Galaxies are moving away from each other.
2. The temperature of Cosmic Microwave Background (CMB) radiation varies widely from one part of the universe to another.
3. An enormous amount of weak cosmic background radiation has been detected in the universe.
The three correct answers that provide evidence of universe expansion that supports the Big Bang Theory are:
1. Galaxies are moving away from each other: This observation, known as the Hubble expansion, is based on the fact that galaxies in the universe are continuously moving away from each other. The further apart two galaxies are, the faster they are moving away from each other. This observation supports the idea that the universe is expanding.
2. The temperature of Cosmic Microwave Background radiation varies widely from one part of the universe to another: The Cosmic Microwave Background (CMB) radiation is the remnant heat from the early universe, which is uniformly distributed throughout the universe. However, small fluctuations in the temperature of the CMB have been observed. These temperature variations provide evidence of the initial conditions of the universe and support the Big Bang Theory.
3. An enormous amount of weak cosmic background radiation has been detected in the universe: The discovery of the Cosmic Microwave Background radiation in 1965 provided strong evidence for the Big Bang Theory. This radiation is detected in all directions of the sky and is considered to be leftover radiation from the early stages of the universe. Its discovery supported the prediction of the Big Bang Theory that the universe originated from a hot, dense state.